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Pinctada martensii movable floating mat deepwater staged culture method

A culture method and technology of mother-of-pearl, applied in fish farming, application, animal husbandry, etc., can solve problems such as shell injury, impact on survival rate, death of cultured mother-of-pearl, reduce attachments, reduce mechanical damage, Ease of Ingestion

Pending Publication Date: 2022-07-22
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When separating the cages, the mother oysters need to be taken out from the old mesh bags or net cages. Since the mother-of-pearl oysters are firmly attached, pulling the silk and removing the attachments on the shell body can easily cause shell body injury and affect the survival rate.
Secondly, the breeding site is fixed at a location in the sea area. When the environment is unfavorable, such as the impact of continuous high temperature, red tide, heavy rain and strong wind and waves, it will lead to a large number of deaths of the cultured female oysters.

Method used

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  • Pinctada martensii movable floating mat deepwater staged culture method

Examples

Experimental program
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Effect test

Embodiment 1

[0022] A method for staged culturing in deep water with mobile floating and rowing of mother-of-pearl, comprising the following steps:

[0023] (1) Production of mobile floating row: Choose a conventional floating row for pearl oyster culture bundled with casuarina wood strips, set up a shading net with a shading rate of more than 80%, and drag it to the breeding sea area by boat;

[0024] (2) Production of breeding mesh bags: make box-shaped mesh bags with a length of 300mm, a width of 300mm and a height of 150mm. Use in sets.

[0025] (3) Pearl oyster culture: put the seedlings of pearl oysters with a shell height of 4 mm into the 2 mm mesh bag made in step (2), the breeding density is 350 pieces / bag, and each bag contains crystal phoenix snails with a weight of 5 grams / piece 15, hang on the horizontal root of the floating row, move away from the shore, the water flow is smooth, the water depth is 15m, the seawater temperature is 24°C, the transparency is 2m, and the relati...

Embodiment 2

[0031] A method for staged culturing in deep water with mobile floating and rowing of mother-of-pearl, comprising the following steps:

[0032] (1) Production of mobile floating row: Choose a conventional floating row for pearl oyster culture bundled with casuarina wood strips, set up a shading net with a shading rate of more than 80%, and drag it to the breeding sea area by boat;

[0033] (2) Production of breeding cages: make box-shaped mesh bags with a length of 330mm, a width of 330mm and a height of 160mm. Use in sets.

[0034] (3) Pearl oyster culture: The pearl oyster seedlings with a shell height of 6mm are placed in the mesh 2.5mm mesh bag made in step (2), the breeding density is 300 pieces / bag, and each bag contains 7g / piece of crystals. 14 phoenix snails, hanging on the horizontal roots of the floating row and moved away from the shore, the water flow is smooth, the water depth is 17m, the seawater temperature is 25°C, the transparency is 3m, and the relative dens...

Embodiment 3

[0039] A method for staged culturing of pearl oysters in deep water with mobile floating and rowing, comprising the following steps:

[0040](1) Production of mobile floating row: Choose a conventional floating row for pearl oyster culture bundled with casuarina wood strips, set up a shading net with a shading rate of more than 80%, and drag it to the breeding sea area by boat;

[0041] (2) Production of breeding mesh bags: make box-shaped mesh bags with a length of 340mm, a width of 340mm and a height of 170mm. used together;

[0042] (3) Pearl oyster culture: The pearl oyster seedlings with a shell height of 7 mm are put into the mesh bag made in step (2), the mesh of the mesh bag is 3 mm, the breeding density is 250 pieces / bag, and the weight of each bag is 8 grams / piece There are 12 crystal phoenix snails, which are hung on the horizontal roots of the floating row and moved away from the shore. The water flow is smooth, the water depth is 18m, the water temperature is 28°...

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Abstract

The invention discloses a movable floating mat deepwater staged breeding method for pinctada palustris, and belongs to the technical field of pinctada palustris breeding, the breeding method comprises the steps of manufacturing a movable floating mat, manufacturing a breeding net bag, carrying out double-layer net bag hanging breeding management on pinctada palustris (young, young, small and middle pinctada palustris), moving the pinctada palustris to a conical cage for breeding when the height of the pinctada palustris reaches 70 mm or above, and the like. The breeding method is suitable for staged deepwater sea area artificial breeding of the pinctada fries, the young pinctada, the small pinctada and the medium pinctada, a stable growth environment can be provided for the breeding period from the fries to the medium pinctada in the sea area, the survival rate and the growth speed are increased, and the method is also easy to popularize and apply in production units and farmers and has wide application prospects. The method has good social benefits, economic benefits and ecological benefits.

Description

technical field [0001] The invention belongs to the technical field of pearl oyster culturing, and relates to a staged culturing method for pearl oysters in deep water by moving, floating, and draining. Background technique [0002] Pearl oyster, also known as black butterfly oyster, belongs to the pearl oyster family and the genus Pinctada. It is the only pearl oyster that can cultivate black South Sea pearls. Mother-of-pearl is available in a variety of shell color variants and strains, producing pearls in the black range of silver grey, off-white, grey-black, light grey, peacock green, green, fuchsia and dark black. French Polynesia in the South Pacific is the largest base for black pearl production. The cultivation areas are mainly distributed in the Society Islands, Gambier Islands and Tuamotu Islands. The cultivated black pearls account for the world's black pearls. More than 95% of the total output value of pearls. There is also the problem of low survival rate of s...

Claims

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Application Information

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IPC IPC(8): A01K61/54A01K61/51
CPCA01K61/54A01K61/51
Inventor 李俊辉尹国荣杨创业廖永山王庆恒
Owner GUANGDONG OCEAN UNIVERSITY
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